Shimano

GRX BR-RX400 Flat-Mount Disc Brake Caliper, Resin Pads with Fins, adaptor sold seperately

Never hesitate to tackle rough surfaces with Shimano's GRX BR-RX400 hydraulic disc brake caliper.

• An easy hose joint system (J-kit) means convenient tool access
• Caliper is designed to shed mud
• One Way Bleeding technology offers an easy and clean bleeding system
• Shimano''s ICE technology provides excellent heat dissipation
• Simple wheel replacement